March weather forecast
Harristown, IL

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Weather in March

March, the first month of the spring in Harristown, is a fresh month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 50.5°F (10.3°C).

Temperature

The shift into March is marked by a rise in the average high-temperature, moving from February's cold 37.8°F (3.2°C) to a fresh 50.5°F (10.3°C). During the month of March, the nighttime temperature falls to an average of 35.6°F (2°C).

Humidity

In Harristown, Illinois, the average relative humidity in March is 75%.

Rainfall

In March, the rain falls for 11.6 days. Throughout March, 1.3" (33mm) of precipitation is accumulated. In Harristown, Illinois, during the entire year, the rain falls for 130.2 days and collects up to 16.34" (415mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Harristown, during March, snow falls for 2.6 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, in Harristown, there are 23.1 snowfall days, and 5.67" (144mm) of snow is accumulated.

Daylight

In Harristown, the average length of the day in March is 11h and 59min.
On the first day of March in Harristown, sunrise is at 6:28 am and sunset at 5:48 pm CST. On the last day of the month, sunrise is at 6:40 am and sunset at 7:19 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

The average sunshine in March in Harristown is 6.4h.

UV index

In Harristown, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in March, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Harristown in March?

The high-temperature, in March, in Harristown, records 50.5°F (10.3°C), while the low-temperature is 35.6°F (2°C).

What is the average humidity in March in Harristown?

The average relative humidity in March is 75%.

How much does it rain in Harristown in March?

In March, in Harristown, the rain falls for 11.6 days. Throughout March, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in March in Harristown?

In Harristown, Illinois, in March, during 2.6 snowfall days, 0.98" (25mm) of snow is typically accumulated.

How many hours of daylight does Harristown have in March?

In Harristown, Illinois, the average day length in March is 11h and 59min.

When are sunrise and sunset in March in Harristown?

On the first day of March, sunrise is at 6:28 am and sunset at 5:48 pm CST. On the last day of the month, sunrise is at 6:40 am and sunset at 7:19 pm CDT.

When does Daylight Saving Time (DST) start in March in Harristown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Harristown, Illinois, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Harristown?

In March, the average sunshine duration is 6.4h.

What is the UV index intensity in March in Harristown?

The average daily maximum UV index in March in Harristown is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Harristown, IL

Average temperature in March - Harristown, IL
  • Average high temperature in March: 50.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in March: 35.6°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in March
Harristown, IL

Average pressure in March - Harristown, IL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in March
Harristown, IL

Average wind speed in March - Harristown, IL
  • Average wind speed in March: 10.3mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in March
Harristown, IL

Average humidity in March - Harristown, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in March
Harristown, IL

Average rainfall in March - Harristown, IL
  • Average rainfall in March: 1.3"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").

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Average rainfall days in March
Harristown, IL

Average rainfall days in March - Harristown, IL
  • Average rainfall days in March: 11.6 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in March
Harristown, IL

Average snowfall in March - Harristown, IL
  • Average snowfall in March: 0.98"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Harristown, IL

Average snowfall days in March - Harristown, IL
  • Average snowfall days in March: 2.6 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Harristown, IL

Average daylight in March / Average sunshine in March - Harristown, IL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in March
Harristown, IL

Average sunshine days in March - Harristown, IL
  • Average sunshine days in March: 16.4 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in March
Harristown, IL

Average UV index in March - Harristown, IL
  • Average UV index in March: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in March
Harristown, IL

Average cloud cover in March - Harristown, IL
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in March
Harristown, IL

Average visibility in March - Harristown, IL
  • Average visibility in March: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Harristown, Illinois, USA

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